Fixes NPE in smoothScrollToPosition* methods
Revert "Fixes NPE in smoothScrollToPosition* methods"

This reverts commit e928606c8d63f7451d7b1d93f2a97401c15a07bf.
Fixes positioning when using setSelection() and setSelectionFromTop()
Merge pull request #214 from androidmoney/master

Fixes positioning when using setSelection() and setSelectionFromTop()